I really don't know what they plan to do with either Fordola or Yotsuyu. Both are similar narratives of victims of circumstance that the empire played to it's advantage.

All I know is Ysayle's non-redemption was trash, with her story ended up far less than, "oh no I killed children and ruined the lives of thousands of the poorest people of Ishgard, I need to fix this!" and more "Wait... I'm not actually Shiva....? ....oh."

And then she jumped off a dragon from thousands of feet in the air and made Estinien sad.



So, honestly, SE doesn't have to do too much to be a step up from Ysayle's redemption.